Silent Knight SK-PHOTO-W Addressable Photoelectric Smoke Detector.

Compliance

• UL Listed
• FM Approved
• NFPA 72

Key features

• Photoelectric sensing chamber for detecting slow-smoldering fires
• Operates on 15 to 32 VDC across the SLC loop, 10% to 93% non-condensing humidity range
• LED communication every 5 seconds confirms device health on the loop
• Plug-in head design with rotary address switches for fast field programming
• Weighs 3.4 oz (95 g), compatible with standard SK bases

The SK-PHOTO-W is an addressable photoelectric smoke detector designed for the Silent Knight SK protocol SLC (Signaling Line Circuit). It integrates with Silent Knight 5820XL and 6500 series fire alarm control panels (a Honeywell brand), supporting systems with up to 792 addressable points. Photoelectric detectors respond well to low-velocity, smoldering combustion common in occupancies with upholstered furniture or paper materials.

Verify panel/device family compatibility before ordering.